Network/Signal Problems - Sony Ericsson C702 Trouble Shooting Manual Repair Instruction Mechanical

3 Network/Signal Problems

Problem Area Items to Check
Before proceeding
No Signal or Poor
Signal
Visually inspect SIM holder
Visually inspect antenna contact pins.
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Company Internal Sony Ericsson Mobile Communications AB
Trouble Shooting Guide Repair Instruction Mechanical/, Mechanical
Repair Action
Perform a flash upgrade.
•
If dirty or oxidized – Clean it.
•
If damaged – Send to an electrical
repair location.
•
If dirty or oxidized – Clean the pins.
•
If damaged – Send to an electrical
repair location.
Reference Image
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